4255739134920 has 480 divisors, whose sum is σ = 17919320542200. Its totient is φ = 897913755648.

The previous prime is 4255739134897. The next prime is 4255739134931. The reversal of 4255739134920 is 294319375524.

It is a happy number.

4255739134920 is a `hidden beast` number, since 4 + 2 + 5 + 573 + 9 + 1 + 3 + 49 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3106808112996 + 1148931021924 = 1762614^2 + 1071882^2 .

It is a super-2 number, since 2×4255739134920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1032876 + ... + 3094884.

Almost surely, 2^{4255739134920} is an apocalyptic number.

4255739134920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4255739134920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8959660271100).

4255739134920 is an abundant number, since it is smaller than the sum of its proper divisors (13663581407280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4255739134920 is a wasteful number, since it uses less digits than its factorization.

4255739134920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062059 (or 2062039 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 4255739134920 in words is "four trillion, two hundred fifty-five billion, seven hundred thirty-nine million, one hundred thirty-four thousand, nine hundred twenty".